Synthesis and Characterization of Zinc Oxide Nanoparticles via Self-Combustion Technique

Abstract:

Zinc oxide (ZnO) is a unique material which has been used in many researches. However synthesizing nanosize ZnO remains a challenge. This deal with the preparation of ZnO nanoparticles was synthesized by a self-combustion technique. In the self-combustion technique, nanoparticles was obtained by heating the materials until the mixture combusts at 110°C. ZnO nanoparticles were synthesized from Zn (NO₃)₂.6H₂O precursor observed in two different solvent. The first set of experiment involved dissolving Zn (NO₃)₂.6H₂O in nitric acid (HNO₃) and adding ZnO, whereas for the second Ethylene Glycol (C₂H₆O₂) was used as the solvent. The material was stirred at 250 r.p.m continuously for 1 month and 3 days. The mixture was then heated up until it combusted at 110°C. Samples were then annealed at 400°C for 1 hour . The ZnO samples were characterized using X-Ray Diffraction (XRD), Raman Spectroscopy, and Field Emission Scanning Electron Microscope (FESEM). The XRD analysis showed major peak at 20-30 of 2 theta scale with [10, [00, and [10 plane of the wurtzite hexagonal structure for both sets of ZnO samples. Samples were observed at raman shift for 138 and 439 cm^-1 and 141 and 443 cm^-1 before and after annealing. Synthesized ZnO 1 resulted the morphology of single crystal nanorods with average dimensions of 18 nm wide and 154 nm long. ZnO 2 has obtained the morphology of single crystal nanosphere with average diameter of 30 nm.Keywords: Zinc Oxide, Ethylene Glycol, Self-Combustion Technique

• Periodical: Applied Mechanics and Materials (Volume 493)
• Pages: 609-614
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.493.609
• Online since: January 2014
• Authors: Poppy Puspitasari, Andoko Andoko, Eddy Sutadji
• Keywords: Ethylene Glycol, Self-Combustion Technique, Zinc Oxide (ZnO)

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